How much must a patient pay the doctor in the next town for his first visit？He must pay （）.
举一反三
- Much attention must (pay) ________ to the development of science and technology.
- he demanded that I ______ the bill by Friday at the latest. ( ). A: must pay B: pay C: paid D: to pay
- 17. He demanded that I the money by Friday at the least. A: must pay B: paid C: to pay D: pay
- Much attention must ______ to the development of science and technology. A: pay B: to pay C: be paid D: have paid
- He tried to find some excuse for the debt, but I insisted that he ______ it off at once. A: must pay B: ought to pay C: paid D: pay